We stayed for one month at this flat, while traveling in Thailand, and our host Khun Chin helped us in every request and question very quickly, and even invited us for a lunch in his cool restaurant.
The flat is in a very nice area of Onnut, where you can go to local markets, shopping etc. with non-tourist prices, so you can get a feeling of the real Bangkok life. We always stay in Onnut because of this. The BTS station is just 5 minutes walk away, so it is very easy to get to the center of BKK.
The facilities are great in this condominium, great big pool with nice views and also a gym, and small restaurants and 7/11 store on the ground floor of the condominium. Even though there is light noise from the traffic from the the street, it didn't bother us and we would surely return back next time, so I can truly recommend the flat, great value for money, and the supernice host! :)